trying harder to follow the code style (no functional changes)

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25382 3ad0048d-3df7-0310-abae-a5850022a9f2
use a TSuperRegister instead of an aint

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@25383 3ad0048d-3df7-0310-abae-a5850022a9f2